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CSS Beautifier & Formatter

Paste minified or messy CSS and get back clean, readable code with one property per line and consistent indentation.

CSS Beautifier

CSS formatting best practices

  • One property per line — Makes Git diffs readable. Seeing which property changed is instant vs. parsing a one-liner.
  • Consistent indentation — Nested rules (media queries, @supports) become visually obvious.
  • Alphabetical sorting — Reduces merge conflicts in teams. Faster to scan if you know the alphabet. Enable the sort option above.
  • Comments preserved — Section comments like /* === Layout === */ are preserved to maintain your stylesheet structure.

Frequently Asked Questions

No. CSS is whitespace-insensitive (except inside strings and calc() expressions). Adding newlines and indentation has zero effect on how the browser applies styles. The formatted output is semantically identical to the input.
Third-party stylesheets (Bootstrap, Tailwind output, icon fonts, compiled SCSS) are often shipped minified. If you need to understand or customize them, beautifying first is essential. It's also useful for reviewing CSS pasted from StackOverflow or AI tools before adding it to your codebase.